add function adding a number field to an alignment block given an iterator and array length
add variant of function for adding a char number array
* add function to swap two AutoArray objects
* add function to erase all aux fields of an alignment block
make length field in CharBuffer class 64 bits wide
add method and test for in place replacement of query sequence and quality string of a bam alignment block
improve usage of temp buffer in cigar string replacement
bump version after API changes in bambam namespace
Merge branch 'experimental'